本文整理汇总了VB.NET中System.Transactions.CommittableTransaction.CommittableTransaction构造函数的典型用法代码示例。如果您正苦于以下问题:VB.NET CommittableTransaction构造函数的具体用法?VB.NET CommittableTransaction怎么用?VB.NET CommittableTransaction使用的例子?那么恭喜您, 这里精选的构造函数代码示例或许可以为您提供帮助。
在下文中一共展示了CommittableTransaction构造函数的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: SqlConnection
tx = New CommittableTransaction
Dim myConnection As New SqlConnection("server=(local)\SQLExpress;Integrated Security=SSPI;database=northwind")
Dim myCommand As New SqlCommand()
'Open the SQL connection
myConnection.Open()
'Give the transaction to SQL to enlist with
myConnection.EnlistTransaction(tx)
myCommand.Connection = myConnection
'Restore database to near it's original condition so sample will work correctly.
myCommand.CommandText = "DELETE FROM Region WHERE (RegionID = 100) OR (RegionID = 101)"
myCommand.ExecuteNonQuery()
'Insert the first record.
myCommand.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (100, 'MidWestern')"
myCommand.ExecuteNonQuery()
'Insert the second record.
myCommand.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (101, 'MidEastern')"
myCommand.ExecuteNonQuery()
'Commit or rollback the transaction
Dim c As ConsoleKeyInfo
While (True)
Console.Write("Commit or Rollback? [C|R] ")
c = Console.ReadKey()
Console.WriteLine()
If (c.KeyChar = "C") Or (c.KeyChar = "c") Then
tx.Commit()
Exit While
ElseIf ((c.KeyChar = "R") Or (c.KeyChar = "r")) Then
tx.Rollback()
Exit While
End If
End While
myConnection.Close()
tx = Nothing